MC13892_1107 Datasheet, PDF (151/158 Pages) Freescale Semiconductor, Inc – Power Management Integrated

TYPICAL APPLICATIONS
TYPICAL APPLICATIONS
Figure 35 contains a typical application of the MC13892. For convenience, components for use with the MC13892 are cited
within this document. Freescale does not assume liability, endorse, or warrant components from external manufacturers that are
referenced in circuit drawings or tables. While Freescale offers component recommendations in this configuration, it is the
customer’s responsibility to validate their application.
Main
Battery
Tied to
BATTISNSCC
R1
M3
20m
10u
BP
R2
100m
10u
Charger/USB Input
(Tied to VBUS)
M2 M1
2.2u
From Extenal Boost
SWBST
Battery Interface &
Protection
Charger Interface and Control:
4 bit DAC, Clamp, Protection,
Trickle Generation
GNDADC
General Purpose ADC Inputs:
i.e., Battery pack thermistor,
PA thermistor, Light Sensor, Etc.
Touch
Screen
Interface
From AP
ADIN5
ADIN6
ADIN7
TSX1
TSX2
TSY1
TSY2
TSREF
ADTRIG
From M3/R1 connection
(needs to be separate route from
BATTISNS)
BATTISNSCC
CFP
10uF
CFM
Voltage /
Current
Sensing &
Translation
LICELL, UID, Die Temp, GPO4
Touch
Screen
Interface
MUX
10 Bit GP
ADC
Trigger
Handling
A/D Result
A/D
Control
BATT
Coulomb
Counter
CCOUT
To SPI
SW4
AP CSPI
SPIVCC
CS
CLK
MOSI
MISO
GNDSPI
SPI
Interface
+
Muxed
I2C
Optional
Interface
Shift Register
SPI
Registers
Shift Register
To Enables & Control
Backlight
LED Drive
Die Temp &
Thermal Warning
Detection
To Interrupt
Section
Package Pin Legend
MC13892
IC
Output Pin
Input Pin
Bi-directional Pin
2.2u
2.2u
100n
VCORE
VCOREDIG
REFCORE
GNDCORE
Reference
Generation
MC13892
To/From
USB Cable
ID
CHRGRAW
UID
UVBUS
VBUS/ID
Detectors
Tri-Color
LED Drive
SW1
1050 mA
Buck
SW2
800 mA
Buck
SW3
800 mA
Buck
SW4
800 mA
Buck
DVS
CONTROL
SWBST
300 mA
Boost
SPI Control
VVIDEO
VUSB2
VAUDIO
VVIOHI
VPLL
VDIG
VCAM
Coin Cell
Battery
From AP
VBUSEN
SWBST
2.2u
VINUSB
VUSB
OTG
5V
VUSB
Regulator
100n
LICELL
BP
Li Cell
Charger
LCELL
Switch
SPI
Control
Logic
Trim-In-Package
To
Trimmed
Circuits
PUMS
Startup
Sequencer
Decode
Trim?
Control
Logic
32 KHz
Internal
Osc
32 KHz
Crystal
Osc
SPI Result
Registers
Interrupt
Inputs
Enables &
Control
Core Control Logic, Timers, & Interrupts
PLL
Monitor
Timer
RTC +
Calibration
32 KHz
Buffers
Switchers
Best
of
Supply
VSRTC
VSD
VGEN1
VGEN2
VGEN3
GPO
Control
PWR Gate
Drive & Chg
Pump
O/P
Drive
O/P
Drive
O/P
Drive
O/P
Drive
PWGTDRV1
PWGTDRV2
SW1IN
SW1OUT
GNDSW1
SW1FB
SW2IN
SW2OUT
GNDSW2
SW2FB
SW3IN
SW3OUT
GNDSW3
SW3FB
SW4IN
SW4OUT
GNDSW4
SW4FB
SW3
User Off
Processor
Internal
Memory
To 1.2V
Peripherals
SW4
User Off, Memory Hold
BP
4.7u
SW1
Output
1.5u
2 x22u
SW2
Output
BP 4.7u
2.2u
10u
To Memory
To 1.8V
Peripherals
BP 4.7u
SW3
Output
2.2u
10u
BP 4.7u
SW4
Output
2.2u
10u
DVS1
DVS2
From AP
From AP
O/P
Drive
SWBSTIN
SWBSTOUT
SWBSTFB
BP
GNDSWBST
BP 4.7u
2.2u
SWBST
Output
(Boost)
10u
Pass
FET
Pass
FET
Pass
FET
Pass
FET
Pass
FET
Pass
FET
Pass
FET
VVIDEODRV
VVIDEO
VINUSB2
VUSB2
BP 2.2u
BP
2.2u
VIINAUDIO
VAUDIO
BP ^2.2u
VINIOHI
VIOHI
VINPLL
VPLL
BP 2.2u
BP 2.2u
VINDIG
VDIG
BP 2.2u
VINCAMDRV
VCAM
VSDDRV
VSD
BP
2.2u
BP
BP
2.2u
VGEN1DRV
VGEN1
VGEN2DRV
VGEN2
VINGEN3DRV
2.2u BP
2.2u BP
VGEN3
2.2u
GNDREG1
GNDREG2
GNDREG3
18p
18p
32.768 KHz
Crystal
To GND,
Open,
VCOREDIG
or VCORE
To/From
AP
On/Off
Button
To/From
Peripherals
1.0u
To/From
AP
Figure 35. MC13892 Typical Application
Analog Integrated Circuit Device Data
Freescale Semiconductor
MC13892
151